The old group session, "play from same device option" has been removed and it has saddened many people. It seems the only group session option is now remote group sessions, where the music is played on each individual device.
This group session, "play from same device" feature was personally one of my favorite features of Spotify. When it was first introduced, I quite literally showed all of my friends to use it. I understand it was in beta, but this feature was used by many people, quite literally all the time. We know this feature did not work perfectly, but we would use it regardless of the tiny flaws, it was honestly my favorite thing about Spotify.
Whenever I, or any group, would have friends over, I would always offer to start a group session so that everyone could contribute to the music being played. Having this option, friends could seamlessly contribute to the music being played so that one person would not selfishly play music the entire time. It was so fun having everyone able to contribute, without having to hand over the one single phone to everyone that was connected to the device, just to add a few songs to the queue. Having someone scan a code and then instantly able to add songs to the queue was a perfect idea for hanging out with friends, in person.
It appears with the new update, there is only an option for remote group sessions where the music is played on each individual device, I'm asking to consider bringing back the "play from same device."
To recap, this feature allowed people to share music during in-person hang sessions, and from the people I had introduced to it, all found it to be one of the most fun features of Spotify.